San Marcos Municipal Airport - HYI in San Marcos, TX

Find San Marcos Municipal Airport - HYI in San Marcos,Hays County,TX to get information on Air Traffic Control, Airport Security, Customs and Border Protection, Airport Maintenance, Airport Operations, and Airport Administration.
San Marcos Municipal Airport - HYI
2000 State Highway 21 West, San Marcos, TX 78666
512-393-8160
Open Daily 6:00 AM-9:00 PM

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